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7788db9c4e
* Auxiliary/cmake.m4 (CMAKE_FIND_PACKAGE): change var tests from -n to -z to check if var is already set before calling cmake Fixes: #14460, #16663
45 lines
1.4 KiB
Plaintext
45 lines
1.4 KiB
Plaintext
dnl Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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dnl file Copyright.txt or https://cmake.org/licensing for details.
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AC_DEFUN([CMAKE_FIND_BINARY],
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[AC_ARG_VAR([CMAKE_BINARY], [path to the cmake binary])dnl
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if test "x$ac_cv_env_CMAKE_BINARY_set" != "xset"; then
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AC_PATH_TOOL([CMAKE_BINARY], [cmake])dnl
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fi
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])dnl
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# $1: package name
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# $2: language (e.g. C/CXX/Fortran)
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# $3: The compiler ID, defaults to GNU.
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# Possible values are: GNU, Intel, Clang, SunPro, HP, XL, VisualAge, PGI,
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# PathScale, Cray, SCO, MIPSpro, MSVC
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# $4: optional extra arguments to cmake, e.g. "-DCMAKE_SIZEOF_VOID_P=8"
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# $5: optional path to cmake binary
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AC_DEFUN([CMAKE_FIND_PACKAGE], [
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AC_REQUIRE([CMAKE_FIND_BINARY])dnl
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AC_ARG_VAR([$1][_][$2][FLAGS], [$2 compiler flags for $1. This overrides the cmake output])dnl
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AC_ARG_VAR([$1][_LIBS], [linker flags for $1. This overrides the cmake output])dnl
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failed=false
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AC_MSG_CHECKING([for $1])
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if test -z "${$1[]_$2[]FLAGS}"; then
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$1[]_$2[]FLAGS=`$CMAKE_BINARY --find-package "-DNAME=$1" "-DCOMPILER_ID=m4_default([$3], [GNU])" "-DLANGUAGE=$2" -DMODE=COMPILE $4` || failed=true
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fi
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if test -z "${$1[]_LIBS}"; then
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$1[]_LIBS=`$CMAKE_BINARY --find-package "-DNAME=$1" "-DCOMPILER_ID=m4_default([$3], [GNU])" "-DLANGUAGE=$2" -DMODE=LINK $4` || failed=true
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fi
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if $failed; then
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unset $1[]_$2[]FLAGS
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unset $1[]_LIBS
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AC_MSG_RESULT([no])
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$6
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else
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AC_MSG_RESULT([yes])
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$5
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fi[]dnl
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])
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